220224554 has 16 divisors (see below), whose sum is σ = 379334880. Its totient is φ = 94833360.

The previous prime is 220224551. The next prime is 220224559. The reversal of 220224554 is 455422022.

220224554 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (220224551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263009 + ... + 263844.

It is an arithmetic number, because the mean of its divisors is an integer number (23708430).

Almost surely, 2^220224554 is an apocalyptic number.

220224554 is a deficient number, since it is larger than the sum of its proper divisors (159110326).

220224554 is a wasteful number, since it uses less digits than its factorization.

220224554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526885.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 220224554 is about 14839.9647573706. The cubic root of 220224554 is about 603.8863962620.

Adding to 220224554 its reverse (455422022), we get a palindrome (675646576).

The spelling of 220224554 in words is "two hundred twenty million, two hundred twenty-four thousand, five hundred fifty-four".